TikTok parent ByteDance argued that the previous ruling could still be overturned on appeal.
Nichols said he was unsure if TikTok could demonstrate "irreparable harm" to win a new injunction
A US judge said on Wednesday he was uncertain if he had a legal basis to bar the US Commerce Department from imposing restrictions on video-sharing app TikTok after a Pennsylvania judge had already blocked the government's plan on Friday.
Beijing-based ByteDance, the owner of TikTok, argues that the previous ruling could still be overturned on appeal.
US District Judge Carl Nichols for the District of Columbia ordered both parties to file legal papers by Friday to address whether TikTok still faces "irreparable harm" from the US order that Apple and Alphabet's Google app stores remove the app for download by new users.
The Trump administration contends TikTok poses national security concerns as the personal data of US users could be obtained by China's government. TikTok denies the allegations.
Nichols said he was unsure if TikTok could demonstrate "irreparable harm" to win a new injunction.
On Friday, US District Court Judge Wendy Beetlestone stopped the Commerce Department from barring TikTok's data hosting within the United States and other technical transactions that she said would effectively ban the use of the app in the country.
The restrictions were set to take effect November 12. A Justice Department lawyer told Nichols the government had not decided whether to appeal Beetlestone's order.
Beetlestone, whose ruling came in a lawsuit filed by three TikTok users, noted the app has over 100 million US TikTok users.
On September 27, Nichols issued a preliminary injunction against the government's order. Beetlestone's order also blocks the app store download ban.
Talks have been ongoing to finalise a preliminary deal for Walmart and Oracle to take stakes in a new company to oversee US operations. US President Donald Trump has said the deal had his "blessing."
© Thomson Reuters 2020
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